a + s = 65
15a + 20d = 1125
a = 65 - d (or d = 65 - a)
15(65 - d) + 20d = 1125
Solve for d, then plug your answer into the first equation to solve for a.
Destiny D.
asked • 05/03/17uppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost $15 and same-day tickets cost $20 . For one performance,
uppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost $15 and same-day tickets cost $20 . For one performance, there were 65 tickets sold in all, and the total amount paid for them was $1125 .
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